1 include(LLVMProcessSources)
4 function(llvm_update_compile_flags name)
5 get_property(sources TARGET ${name} PROPERTY SOURCES)
6 if("${sources}" MATCHES "\\.c(;|$)")
7 set(update_src_props ON)
10 # LLVM_REQUIRES_EH is an internal flag that individual
11 # targets can use to force EH
12 if((LLVM_REQUIRES_EH OR LLVM_ENABLE_EH) AND NOT CLANG_CL)
13 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
14 message(AUTHOR_WARNING "Exception handling requires RTTI. Enabling RTTI for ${name}")
15 set(LLVM_REQUIRES_RTTI ON)
18 if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
19 list(APPEND LLVM_COMPILE_FLAGS "-fno-exceptions")
21 list(APPEND LLVM_COMPILE_DEFINITIONS _HAS_EXCEPTIONS=0)
22 list(APPEND LLVM_COMPILE_FLAGS "/EHs-c-")
25 # FIXME: Remove this once clang-cl supports SEH
26 list(APPEND LLVM_COMPILE_DEFINITIONS "GTEST_HAS_SEH=0")
30 # LLVM_REQUIRES_RTTI is an internal flag that individual
31 # targets can use to force RTTI
32 if(NOT (LLVM_REQUIRES_RTTI OR LLVM_ENABLE_RTTI))
33 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_RTTI=0)
34 if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
35 list(APPEND LLVM_COMPILE_FLAGS "-fno-rtti")
37 list(APPEND LLVM_COMPILE_FLAGS "/GR-")
42 # - LLVM_COMPILE_FLAGS is list.
43 # - PROPERTY COMPILE_FLAGS is string.
44 string(REPLACE ";" " " target_compile_flags " ${LLVM_COMPILE_FLAGS}")
47 foreach(fn ${sources})
48 get_filename_component(suf ${fn} EXT)
49 if("${suf}" STREQUAL ".cpp")
50 set_property(SOURCE ${fn} APPEND_STRING PROPERTY
51 COMPILE_FLAGS "${target_compile_flags}")
55 # Update target props, since all sources are C++.
56 set_property(TARGET ${name} APPEND_STRING PROPERTY
57 COMPILE_FLAGS "${target_compile_flags}")
60 set_property(TARGET ${name} APPEND PROPERTY COMPILE_DEFINITIONS ${LLVM_COMPILE_DEFINITIONS})
63 function(add_llvm_symbol_exports target_name export_file)
64 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
65 set(native_export_file "${target_name}.exports")
66 add_custom_command(OUTPUT ${native_export_file}
67 COMMAND sed -e "s/^/_/" < ${export_file} > ${native_export_file}
68 DEPENDS ${export_file}
70 COMMENT "Creating export file for ${target_name}")
71 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
72 LINK_FLAGS " -Wl,-exported_symbols_list,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
73 elseif(LLVM_HAVE_LINK_VERSION_SCRIPT)
74 # Gold and BFD ld require a version script rather than a plain list.
75 set(native_export_file "${target_name}.exports")
76 # FIXME: Don't write the "local:" line on OpenBSD.
77 add_custom_command(OUTPUT ${native_export_file}
78 COMMAND echo "{" > ${native_export_file}
79 COMMAND grep -q "[[:alnum:]]" ${export_file} && echo " global:" >> ${native_export_file} || :
80 COMMAND sed -e "s/$/;/" -e "s/^/ /" < ${export_file} >> ${native_export_file}
81 COMMAND echo " local: *;" >> ${native_export_file}
82 COMMAND echo "};" >> ${native_export_file}
83 DEPENDS ${export_file}
85 COMMENT "Creating export file for ${target_name}")
86 if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
87 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
88 LINK_FLAGS " -Wl,-M,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
90 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
91 LINK_FLAGS " -Wl,--version-script,${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
94 set(native_export_file "${target_name}.def")
96 add_custom_command(OUTPUT ${native_export_file}
97 COMMAND ${PYTHON_EXECUTABLE} -c "import sys;print(''.join(['EXPORTS\\n']+sys.stdin.readlines(),))"
98 < ${export_file} > ${native_export_file}
99 DEPENDS ${export_file}
101 COMMENT "Creating export file for ${target_name}")
102 set(export_file_linker_flag "${CMAKE_CURRENT_BINARY_DIR}/${native_export_file}")
104 set(export_file_linker_flag "/DEF:\"${export_file_linker_flag}\"")
106 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
107 LINK_FLAGS " ${export_file_linker_flag}")
110 add_custom_target(${target_name}_exports DEPENDS ${native_export_file})
111 set_target_properties(${target_name}_exports PROPERTIES FOLDER "Misc")
113 get_property(srcs TARGET ${target_name} PROPERTY SOURCES)
115 get_filename_component(extension ${src} EXT)
116 if(extension STREQUAL ".cpp")
117 set(first_source_file ${src})
122 # Force re-linking when the exports file changes. Actually, it
123 # forces recompilation of the source file. The LINK_DEPENDS target
124 # property only works for makefile-based generators.
125 # FIXME: This is not safe because this will create the same target
126 # ${native_export_file} in several different file:
127 # - One where we emitted ${target_name}_exports
128 # - One where we emitted the build command for the following object.
129 # set_property(SOURCE ${first_source_file} APPEND PROPERTY
130 # OBJECT_DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${native_export_file})
132 set_property(DIRECTORY APPEND
133 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${native_export_file})
135 add_dependencies(${target_name} ${target_name}_exports)
137 # Add dependency to *_exports later -- CMake issue 14747
138 list(APPEND LLVM_COMMON_DEPENDS ${target_name}_exports)
139 set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} PARENT_SCOPE)
140 endfunction(add_llvm_symbol_exports)
142 if(NOT WIN32 AND NOT APPLE)
144 COMMAND ${CMAKE_C_COMPILER} -Wl,--version
145 OUTPUT_VARIABLE stdout
148 if("${stdout}" MATCHES "GNU gold")
149 set(LLVM_LINKER_IS_GOLD ON)
153 function(add_link_opts target_name)
154 # Don't use linker optimizations in debug builds since it slows down the
155 # linker in a context where the optimizations are not important.
156 if (NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
158 # Pass -O3 to the linker. This enabled different optimizations on different
160 if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin|SunOS" OR WIN32))
161 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
162 LINK_FLAGS " -Wl,-O3")
165 if(LLVM_LINKER_IS_GOLD)
166 # With gold gc-sections is always safe.
167 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
168 LINK_FLAGS " -Wl,--gc-sections")
169 # Note that there is a bug with -Wl,--icf=safe so it is not safe
170 # to enable. See https://sourceware.org/bugzilla/show_bug.cgi?id=17704.
173 if(NOT LLVM_NO_DEAD_STRIP)
174 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
175 # ld64's implementation of -dead_strip breaks tools that use plugins.
176 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
177 LINK_FLAGS " -Wl,-dead_strip")
178 elseif(${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
179 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
180 LINK_FLAGS " -Wl,-z -Wl,discard-unused=sections")
181 elseif(NOT WIN32 AND NOT LLVM_LINKER_IS_GOLD)
182 # Object files are compiled with -ffunction-data-sections.
183 # Versions of bfd ld < 2.23.1 have a bug in --gc-sections that breaks
184 # tools that use plugins. Always pass --gc-sections once we require
186 set_property(TARGET ${target_name} APPEND_STRING PROPERTY
187 LINK_FLAGS " -Wl,--gc-sections")
191 endfunction(add_link_opts)
193 # Set each output directory according to ${CMAKE_CONFIGURATION_TYPES}.
194 # Note: Don't set variables CMAKE_*_OUTPUT_DIRECTORY any more,
195 # or a certain builder, for eaxample, msbuild.exe, would be confused.
196 function(set_output_directory target bindir libdir)
197 # Do nothing if *_OUTPUT_INTDIR is empty.
198 if("${bindir}" STREQUAL "")
202 # moddir -- corresponding to LIBRARY_OUTPUT_DIRECTORY.
203 # It affects output of add_library(MODULE).
206 set(moddir ${bindir})
208 set(moddir ${libdir})
210 if(NOT "${CMAKE_CFG_INTDIR}" STREQUAL ".")
211 foreach(build_mode ${CMAKE_CONFIGURATION_TYPES})
212 string(TOUPPER "${build_mode}" CONFIG_SUFFIX)
213 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} bi ${bindir})
214 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} li ${libdir})
215 string(REPLACE ${CMAKE_CFG_INTDIR} ${build_mode} mi ${moddir})
216 set_target_properties(${target} PROPERTIES "RUNTIME_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${bi})
217 set_target_properties(${target} PROPERTIES "ARCHIVE_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${li})
218 set_target_properties(${target} PROPERTIES "LIBRARY_OUTPUT_DIRECTORY_${CONFIG_SUFFIX}" ${mi})
221 set_target_properties(${target} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${bindir})
222 set_target_properties(${target} PROPERTIES ARCHIVE_OUTPUT_DIRECTORY ${libdir})
223 set_target_properties(${target} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${moddir})
227 # If on Windows and building with MSVC, add the resource script containing the
228 # VERSIONINFO data to the project. This embeds version resource information
229 # into the output .exe or .dll.
230 # TODO: Enable for MinGW Windows builds too.
232 function(add_windows_version_resource_file OUT_VAR)
235 set(resource_file ${LLVM_SOURCE_DIR}/resources/windows_version_resource.rc)
236 if(EXISTS ${resource_file})
237 set(sources ${sources} ${resource_file})
238 source_group("Resource Files" ${resource_file})
239 set(windows_resource_file ${resource_file} PARENT_SCOPE)
243 set(${OUT_VAR} ${sources} PARENT_SCOPE)
244 endfunction(add_windows_version_resource_file)
246 # set_windows_version_resource_properties(name resource_file...
248 # Optional major version number (defaults to LLVM_VERSION_MAJOR)
250 # Optional minor version number (defaults to LLVM_VERSION_MINOR)
251 # VERSION_PATCHLEVEL int
252 # Optional patchlevel version number (defaults to LLVM_VERSION_PATCH)
254 # Optional version string (defaults to PACKAGE_VERSION)
256 # Optional product name string (defaults to "LLVM")
258 function(set_windows_version_resource_properties name resource_file)
259 cmake_parse_arguments(ARG
261 "VERSION_MAJOR;VERSION_MINOR;VERSION_PATCHLEVEL;VERSION_STRING;PRODUCT_NAME"
265 if (NOT DEFINED ARG_VERSION_MAJOR)
266 set(ARG_VERSION_MAJOR ${LLVM_VERSION_MAJOR})
269 if (NOT DEFINED ARG_VERSION_MINOR)
270 set(ARG_VERSION_MINOR ${LLVM_VERSION_MINOR})
273 if (NOT DEFINED ARG_VERSION_PATCHLEVEL)
274 set(ARG_VERSION_PATCHLEVEL ${LLVM_VERSION_PATCH})
277 if (NOT DEFINED ARG_VERSION_STRING)
278 set(ARG_VERSION_STRING ${PACKAGE_VERSION})
281 if (NOT DEFINED ARG_PRODUCT_NAME)
282 set(ARG_PRODUCT_NAME "LLVM")
285 set_property(SOURCE ${resource_file}
286 PROPERTY COMPILE_FLAGS /nologo)
287 set_property(SOURCE ${resource_file}
288 PROPERTY COMPILE_DEFINITIONS
289 "RC_VERSION_FIELD_1=${ARG_VERSION_MAJOR}"
290 "RC_VERSION_FIELD_2=${ARG_VERSION_MINOR}"
291 "RC_VERSION_FIELD_3=${ARG_VERSION_PATCHLEVEL}"
292 "RC_VERSION_FIELD_4=0"
293 "RC_FILE_VERSION=\"${ARG_VERSION_STRING}\""
294 "RC_INTERNAL_NAME=\"${name}\""
295 "RC_PRODUCT_NAME=\"${ARG_PRODUCT_NAME}\""
296 "RC_PRODUCT_VERSION=\"${ARG_VERSION_STRING}\"")
297 endfunction(set_windows_version_resource_properties)
299 # llvm_add_library(name sources...
301 # STATIC by default w/o BUILD_SHARED_LIBS.
302 # SHARED by default w/ BUILD_SHARED_LIBS.
304 # Target ${name} might not be created on unsupported platforms.
305 # Check with "if(TARGET ${name})".
306 # DISABLE_LLVM_LINK_LLVM_DYLIB
307 # Do not link this library to libLLVM, even if
308 # LLVM_LINK_LLVM_DYLIB is enabled.
310 # Corresponds to OUTPUT_NAME in target properties.
312 # Same semantics as add_dependencies().
313 # LINK_COMPONENTS components...
314 # Same as the variable LLVM_LINK_COMPONENTS.
315 # LINK_LIBS lib_targets...
316 # Same semantics as target_link_libraries().
318 # May specify header files for IDE generators.
320 function(llvm_add_library name)
321 cmake_parse_arguments(ARG
322 "MODULE;SHARED;STATIC;DISABLE_LLVM_LINK_LLVM_DYLIB"
324 "ADDITIONAL_HEADERS;DEPENDS;LINK_COMPONENTS;LINK_LIBS;OBJLIBS"
326 list(APPEND LLVM_COMMON_DEPENDS ${ARG_DEPENDS})
327 if(ARG_ADDITIONAL_HEADERS)
328 # Pass through ADDITIONAL_HEADERS.
329 set(ARG_ADDITIONAL_HEADERS ADDITIONAL_HEADERS ${ARG_ADDITIONAL_HEADERS})
332 set(ALL_FILES ${ARG_OBJLIBS})
334 llvm_process_sources(ALL_FILES ${ARG_UNPARSED_ARGUMENTS} ${ARG_ADDITIONAL_HEADERS})
338 if(ARG_SHARED OR ARG_STATIC)
339 message(WARNING "MODULE with SHARED|STATIC doesn't make sense.")
341 if(NOT LLVM_ENABLE_PLUGINS)
342 message(STATUS "${name} ignored -- Loadable modules not supported on this platform.")
346 if(BUILD_SHARED_LIBS AND NOT ARG_STATIC)
355 if(ARG_SHARED AND ARG_STATIC)
356 # Generate an obj library for both targets.
357 set(obj_name "obj.${name}")
358 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
361 llvm_update_compile_flags(${obj_name})
362 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
364 # Do add_dependencies(obj) later due to CMake issue 14747.
365 list(APPEND objlibs ${obj_name})
367 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
370 if(ARG_SHARED AND ARG_STATIC)
372 set(name_static "${name}_static")
374 set(output_name OUTPUT_NAME "${ARG_OUTPUT_NAME}")
376 # DEPENDS has been appended to LLVM_COMMON_LIBS.
377 llvm_add_library(${name_static} STATIC
379 OBJLIBS ${ALL_FILES} # objlib
380 LINK_LIBS ${ARG_LINK_LIBS}
381 LINK_COMPONENTS ${ARG_LINK_COMPONENTS}
383 # FIXME: Add name_static to anywhere in TARGET ${name}'s PROPERTY.
388 add_library(${name} MODULE ${ALL_FILES})
390 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
391 add_library(${name} SHARED ${ALL_FILES})
393 add_library(${name} STATIC ${ALL_FILES})
396 if(DEFINED windows_resource_file)
397 set_windows_version_resource_properties(${name} ${windows_resource_file})
398 set(windows_resource_file ${windows_resource_file} PARENT_SCOPE)
401 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
402 # $<TARGET_OBJECTS> doesn't require compile flags.
404 llvm_update_compile_flags(${name})
406 add_link_opts( ${name} )
408 set_target_properties(${name}
410 OUTPUT_NAME ${ARG_OUTPUT_NAME}
415 set_target_properties(${name} PROPERTIES
417 SUFFIX ${LLVM_PLUGIN_EXT}
423 set_target_properties(${name} PROPERTIES
428 set_target_properties(${name}
430 SOVERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}
431 VERSION ${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}${LLVM_VERSION_SUFFIX})
434 if(ARG_MODULE OR ARG_SHARED)
435 # Do not add -Dname_EXPORTS to the command-line when building files in this
436 # target. Doing so is actively harmful for the modules build because it
437 # creates extra module variants, and not useful because we don't use these
439 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
441 if (LLVM_EXPORTED_SYMBOL_FILE)
442 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
446 # Add the explicit dependency information for this library.
448 # It would be nice to verify that we have the dependencies for this library
449 # name, but using get_property(... SET) doesn't suffice to determine if a
450 # property has been set to an empty value.
451 get_property(lib_deps GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${name})
453 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_STATIC AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
456 llvm_map_components_to_libnames(llvm_libs
457 ${ARG_LINK_COMPONENTS}
458 ${LLVM_LINK_COMPONENTS}
462 if(CMAKE_VERSION VERSION_LESS 2.8.12)
463 # Link libs w/o keywords, assuming PUBLIC.
464 target_link_libraries(${name}
470 target_link_libraries(${name} INTERFACE
476 # We can use PRIVATE since SO knows its dependent libs.
477 target_link_libraries(${name} PRIVATE
484 if(LLVM_COMMON_DEPENDS)
485 add_dependencies(${name} ${LLVM_COMMON_DEPENDS})
486 # Add dependencies also to objlibs.
487 # CMake issue 14747 -- add_dependencies() might be ignored to objlib's user.
488 foreach(objlib ${objlibs})
489 add_dependencies(${objlib} ${LLVM_COMMON_DEPENDS})
494 macro(add_llvm_library name)
495 cmake_parse_arguments(ARG
500 if( BUILD_SHARED_LIBS )
501 llvm_add_library(${name} SHARED ${ARGN})
503 llvm_add_library(${name} ${ARGN})
505 # The gtest libraries should not be installed or exported as a target
506 if ("${name}" STREQUAL gtest OR "${name}" STREQUAL gtest_main)
510 set_property( GLOBAL APPEND PROPERTY LLVM_LIBS ${name} )
513 if( EXCLUDE_FROM_ALL )
514 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
515 elseif(NOT _is_gtest)
516 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LTO")
517 if(ARG_SHARED OR BUILD_SHARED_LIBS)
519 set(install_type RUNTIME)
521 set(install_type LIBRARY)
524 set(install_type ARCHIVE)
527 install(TARGETS ${name}
529 ${install_type} DESTINATION lib${LLVM_LIBDIR_SUFFIX}
532 if (NOT CMAKE_CONFIGURATION_TYPES)
533 add_custom_target(install-${name}
535 COMMAND "${CMAKE_COMMAND}"
536 -DCMAKE_INSTALL_COMPONENT=${name}
537 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
540 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
542 set_target_properties(${name} PROPERTIES FOLDER "Libraries")
543 endmacro(add_llvm_library name)
545 macro(add_llvm_loadable_module name)
546 llvm_add_library(${name} MODULE ${ARGN})
547 if(NOT TARGET ${name})
548 # Add empty "phony" target
549 add_custom_target(${name})
551 if( EXCLUDE_FROM_ALL )
552 set_target_properties( ${name} PROPERTIES EXCLUDE_FROM_ALL ON)
554 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
559 set(dlldir "lib${LLVM_LIBDIR_SUFFIX}")
561 install(TARGETS ${name}
563 LIBRARY DESTINATION ${dlldir}
564 ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX})
566 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
570 set_target_properties(${name} PROPERTIES FOLDER "Loadable modules")
571 endmacro(add_llvm_loadable_module name)
574 macro(add_llvm_executable name)
575 cmake_parse_arguments(ARG "DISABLE_LLVM_LINK_LLVM_DYLIB" "" "" ${ARGN})
576 llvm_process_sources( ALL_FILES ${ARG_UNPARSED_ARGUMENTS} )
579 if(LLVM_ENABLE_OBJLIB)
580 # Generate an obj library for both targets.
581 set(obj_name "obj.${name}")
582 add_library(${obj_name} OBJECT EXCLUDE_FROM_ALL
585 llvm_update_compile_flags(${obj_name})
586 set(ALL_FILES "$<TARGET_OBJECTS:${obj_name}>")
588 set_target_properties(${obj_name} PROPERTIES FOLDER "Object Libraries")
591 add_windows_version_resource_file(ALL_FILES ${ALL_FILES})
594 # Note: the dummy.cpp source file provides no definitions. However,
595 # it forces Xcode to properly link the static library.
596 list(APPEND ALL_FILES "${LLVM_SOURCE_DIR}/cmake/dummy.cpp")
599 if( EXCLUDE_FROM_ALL )
600 add_executable(${name} EXCLUDE_FROM_ALL ${ALL_FILES})
602 add_executable(${name} ${ALL_FILES})
605 if(DEFINED windows_resource_file)
606 set_windows_version_resource_properties(${name} ${windows_resource_file})
609 # $<TARGET_OBJECTS> doesn't require compile flags.
610 if(NOT LLVM_ENABLE_OBJLIB)
611 llvm_update_compile_flags(${name})
613 add_link_opts( ${name} )
615 # Do not add -Dname_EXPORTS to the command-line when building files in this
616 # target. Doing so is actively harmful for the modules build because it
617 # creates extra module variants, and not useful because we don't use these
619 set_target_properties( ${name} PROPERTIES DEFINE_SYMBOL "" )
621 if (LLVM_EXPORTED_SYMBOL_FILE)
622 add_llvm_symbol_exports( ${name} ${LLVM_EXPORTED_SYMBOL_FILE} )
623 endif(LLVM_EXPORTED_SYMBOL_FILE)
625 if (LLVM_LINK_LLVM_DYLIB AND NOT ARG_DISABLE_LLVM_LINK_LLVM_DYLIB)
626 set(USE_SHARED USE_SHARED)
629 set(EXCLUDE_FROM_ALL OFF)
630 set_output_directory(${name} ${LLVM_RUNTIME_OUTPUT_INTDIR} ${LLVM_LIBRARY_OUTPUT_INTDIR})
631 llvm_config( ${name} ${USE_SHARED} ${LLVM_LINK_COMPONENTS} )
632 if( LLVM_COMMON_DEPENDS )
633 add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} )
634 endif( LLVM_COMMON_DEPENDS )
635 endmacro(add_llvm_executable name)
637 function(export_executable_symbols target)
638 if (NOT MSVC) # MSVC's linker doesn't support exporting all symbols.
639 set_target_properties(${target} PROPERTIES ENABLE_EXPORTS 1)
644 set (LLVM_TOOLCHAIN_TOOLS
649 macro(add_llvm_tool name)
650 if( NOT LLVM_BUILD_TOOLS )
651 set(EXCLUDE_FROM_ALL ON)
653 add_llvm_executable(${name} ${ARGN})
655 list(FIND LLVM_TOOLCHAIN_TOOLS ${name} LLVM_IS_${name}_TOOLCHAIN_TOOL)
656 if (LLVM_IS_${name}_TOOLCHAIN_TOOL GREATER -1 OR NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
657 if( LLVM_BUILD_TOOLS )
658 install(TARGETS ${name}
660 RUNTIME DESTINATION bin
663 if (NOT CMAKE_CONFIGURATION_TYPES)
664 add_custom_target(install-${name}
666 COMMAND "${CMAKE_COMMAND}"
667 -DCMAKE_INSTALL_COMPONENT=${name}
668 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
672 if( LLVM_BUILD_TOOLS )
673 set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name})
675 set_target_properties(${name} PROPERTIES FOLDER "Tools")
676 endmacro(add_llvm_tool name)
679 macro(add_llvm_example name)
680 if( NOT LLVM_BUILD_EXAMPLES )
681 set(EXCLUDE_FROM_ALL ON)
683 add_llvm_executable(${name} ${ARGN})
684 if( LLVM_BUILD_EXAMPLES )
685 install(TARGETS ${name} RUNTIME DESTINATION examples)
687 set_target_properties(${name} PROPERTIES FOLDER "Examples")
688 endmacro(add_llvm_example name)
691 macro(add_llvm_utility name)
692 add_llvm_executable(${name} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN})
693 set_target_properties(${name} PROPERTIES FOLDER "Utils")
694 if( LLVM_INSTALL_UTILS )
695 install (TARGETS ${name}
696 RUNTIME DESTINATION bin
698 if (NOT CMAKE_CONFIGURATION_TYPES)
699 add_custom_target(install-${name}
701 COMMAND "${CMAKE_COMMAND}"
702 -DCMAKE_INSTALL_COMPONENT=${name}
703 -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")
706 endmacro(add_llvm_utility name)
709 macro(add_llvm_target target_name)
710 include_directories(BEFORE
711 ${CMAKE_CURRENT_BINARY_DIR}
712 ${CMAKE_CURRENT_SOURCE_DIR})
713 add_llvm_library(LLVM${target_name} ${ARGN})
714 set( CURRENT_LLVM_TARGET LLVM${target_name} )
715 endmacro(add_llvm_target)
717 function(canonicalize_tool_name name output)
718 string(REPLACE "${CMAKE_CURRENT_SOURCE_DIR}/" "" nameStrip ${name})
719 string(REPLACE "-" "_" nameUNDERSCORE ${nameStrip})
720 string(TOUPPER ${nameUNDERSCORE} nameUPPER)
721 set(${output} "${nameUPPER}" PARENT_SCOPE)
722 endfunction(canonicalize_tool_name)
724 # Add external project that may want to be built as part of llvm such as Clang,
725 # lld, and Polly. This adds two options. One for the source directory of the
726 # project, which defaults to ${CMAKE_CURRENT_SOURCE_DIR}/${name}. Another to
727 # enable or disable building it with everything else.
728 # Additional parameter can be specified as the name of directory.
729 macro(add_llvm_external_project name)
730 set(add_llvm_external_dir "${ARGN}")
731 if("${add_llvm_external_dir}" STREQUAL "")
732 set(add_llvm_external_dir ${name})
734 canonicalize_tool_name(${name} nameUPPER)
735 if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir}/CMakeLists.txt)
736 # Treat it as in-tree subproject.
737 option(LLVM_TOOL_${nameUPPER}_BUILD
738 "Whether to build ${name} as part of LLVM" On)
739 mark_as_advanced(LLVM_TOOL_${name}_BUILD)
740 if(LLVM_TOOL_${nameUPPER}_BUILD)
741 add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${add_llvm_external_dir} ${add_llvm_external_dir})
742 # Don't process it in add_llvm_implicit_projects().
743 set(LLVM_TOOL_${nameUPPER}_BUILD OFF)
746 set(LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR
747 "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}"
748 CACHE PATH "Path to ${name} source directory")
749 set(LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT ON)
750 if(NOT LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR OR NOT EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
751 set(LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT OFF)
753 if("${LLVM_EXTERNAL_${nameUPPER}_BUILD}" STREQUAL "OFF")
754 set(LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT OFF)
756 option(LLVM_TOOL_${nameUPPER}_BUILD
757 "Whether to build ${name} as part of LLVM"
758 ${LLVM_TOOL_${nameUPPER}_BUILD_DEFAULT})
759 if (LLVM_TOOL_${nameUPPER}_BUILD)
760 if(EXISTS ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR})
761 add_subdirectory(${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR} ${add_llvm_external_dir})
762 elseif(NOT "${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}" STREQUAL "")
763 message(WARNING "Nonexistent directory for ${name}: ${LLVM_EXTERNAL_${nameUPPER}_SOURCE_DIR}")
765 # FIXME: It'd be redundant.
766 set(LLVM_TOOL_${nameUPPER}_BUILD Off)
769 endmacro(add_llvm_external_project)
771 macro(add_llvm_tool_subdirectory name)
772 add_llvm_external_project(${name})
773 endmacro(add_llvm_tool_subdirectory)
775 function(get_project_name_from_src_var var output)
776 string(REGEX MATCH "LLVM_EXTERNAL_(.*)_SOURCE_DIR"
777 MACHED_TOOL "${var}")
779 set(${output} ${CMAKE_MATCH_1} PARENT_SCOPE)
781 set(${output} PARENT_SCOPE)
785 function(create_llvm_tool_options)
786 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
787 foreach(dir ${sub-dirs})
788 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
789 canonicalize_tool_name(${dir} name)
790 option(LLVM_TOOL_${name}_BUILD
791 "Whether to build ${name} as part of LLVM" On)
792 mark_as_advanced(LLVM_TOOL_${name}_BUILD)
795 endfunction(create_llvm_tool_options)
797 function(add_llvm_implicit_projects)
798 set(list_of_implicit_subdirs "")
799 file(GLOB sub-dirs "${CMAKE_CURRENT_SOURCE_DIR}/*")
800 foreach(dir ${sub-dirs})
801 if(IS_DIRECTORY "${dir}" AND EXISTS "${dir}/CMakeLists.txt")
802 canonicalize_tool_name(${dir} name)
803 if (LLVM_TOOL_${name}_BUILD)
804 get_filename_component(fn "${dir}" NAME)
805 list(APPEND list_of_implicit_subdirs "${fn}")
810 foreach(external_proj ${list_of_implicit_subdirs})
811 add_llvm_external_project("${external_proj}")
813 endfunction(add_llvm_implicit_projects)
815 # Generic support for adding a unittest.
816 function(add_unittest test_suite test_name)
817 if( NOT LLVM_BUILD_TESTS )
818 set(EXCLUDE_FROM_ALL ON)
821 include_directories(${LLVM_MAIN_SRC_DIR}/utils/unittest/googletest/include)
822 if (NOT LLVM_ENABLE_THREADS)
823 list(APPEND LLVM_COMPILE_DEFINITIONS GTEST_HAS_PTHREAD=0)
826 if (SUPPORTS_NO_VARIADIC_MACROS_FLAG)
827 list(APPEND LLVM_COMPILE_FLAGS "-Wno-variadic-macros")
830 set(LLVM_REQUIRES_RTTI OFF)
832 add_llvm_executable(${test_name} ${ARGN})
833 set(outdir ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR})
834 set_output_directory(${test_name} ${outdir} ${outdir})
835 target_link_libraries(${test_name}
838 LLVMSupport # gtest needs it for raw_ostream.
841 add_dependencies(${test_suite} ${test_name})
842 get_target_property(test_suite_folder ${test_suite} FOLDER)
843 if (NOT ${test_suite_folder} STREQUAL "NOTFOUND")
844 set_property(TARGET ${test_name} PROPERTY FOLDER "${test_suite_folder}")
848 function(llvm_add_go_executable binary pkgpath)
849 cmake_parse_arguments(ARG "ALL" "" "DEPENDS;GOFLAGS" ${ARGN})
851 if(LLVM_BINDINGS MATCHES "go")
852 # FIXME: This should depend only on the libraries Go needs.
853 get_property(llvmlibs GLOBAL PROPERTY LLVM_LIBS)
854 set(binpath ${CMAKE_BINARY_DIR}/bin/${binary}${CMAKE_EXECUTABLE_SUFFIX})
855 set(cc "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
856 set(cxx "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
858 get_property(include_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
859 foreach(d ${include_dirs})
860 set(cppflags "${cppflags} -I${d}")
862 set(ldflags "${CMAKE_EXE_LINKER_FLAGS}")
863 if (LLVM_LINK_LLVM_DYLIB)
864 set(linkmode "dylib")
866 set(linkmode "component-libs")
868 add_custom_command(OUTPUT ${binpath}
869 COMMAND ${CMAKE_BINARY_DIR}/bin/llvm-go "go=${GO_EXECUTABLE}" "cc=${cc}" "cxx=${cxx}" "cppflags=${cppflags}" "ldflags=${ldflags}" "linkmode=${linkmode}"
870 ${ARG_GOFLAGS} build -o ${binpath} ${pkgpath}
871 DEPENDS llvm-config ${CMAKE_BINARY_DIR}/bin/llvm-go${CMAKE_EXECUTABLE_SUFFIX}
872 ${llvmlibs} ${ARG_DEPENDS}
873 COMMENT "Building Go executable ${binary}"
876 add_custom_target(${binary} ALL DEPENDS ${binpath})
878 add_custom_target(${binary} DEPENDS ${binpath})
883 # This function provides an automatic way to 'configure'-like generate a file
884 # based on a set of common and custom variables, specifically targeting the
885 # variables needed for the 'lit.site.cfg' files. This function bundles the
886 # common variables that any Lit instance is likely to need, and custom
887 # variables can be passed in.
888 function(configure_lit_site_cfg input output)
889 foreach(c ${LLVM_TARGETS_TO_BUILD})
890 set(TARGETS_BUILT "${TARGETS_BUILT} ${c}")
892 set(TARGETS_TO_BUILD ${TARGETS_BUILT})
894 set(SHLIBEXT "${LTDL_SHLIB_EXT}")
896 # Configuration-time: See Unit/lit.site.cfg.in
897 if (CMAKE_CFG_INTDIR STREQUAL ".")
898 set(LLVM_BUILD_MODE ".")
900 set(LLVM_BUILD_MODE "%(build_mode)s")
903 # They below might not be the build tree but provided binary tree.
904 set(LLVM_SOURCE_DIR ${LLVM_MAIN_SRC_DIR})
905 set(LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
906 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_TOOLS_DIR ${LLVM_TOOLS_BINARY_DIR})
907 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} LLVM_LIBS_DIR ${LLVM_LIBRARY_DIR})
909 # SHLIBDIR points the build tree.
910 string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} SHLIBDIR "${LLVM_SHLIB_OUTPUT_INTDIR}")
912 set(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
913 # FIXME: "ENABLE_SHARED" doesn't make sense, since it is used just for
914 # plugins. We may rename it.
915 if(LLVM_ENABLE_PLUGINS)
916 set(ENABLE_SHARED "1")
918 set(ENABLE_SHARED "0")
921 if(LLVM_ENABLE_ASSERTIONS AND NOT MSVC_IDE)
922 set(ENABLE_ASSERTIONS "1")
924 set(ENABLE_ASSERTIONS "0")
927 set(HOST_OS ${CMAKE_SYSTEM_NAME})
928 set(HOST_ARCH ${CMAKE_SYSTEM_PROCESSOR})
930 set(HOST_CC "${CMAKE_C_COMPILER} ${CMAKE_C_COMPILER_ARG1}")
931 set(HOST_CXX "${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1}")
932 set(HOST_LDFLAGS "${CMAKE_EXE_LINKER_FLAGS}")
934 configure_file(${input} ${output} @ONLY)
937 # A raw function to create a lit target. This is used to implement the testuite
938 # management functions.
939 function(add_lit_target target comment)
940 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
941 set(LIT_ARGS "${ARG_ARGS} ${LLVM_LIT_ARGS}")
942 separate_arguments(LIT_ARGS)
943 if (NOT CMAKE_CFG_INTDIR STREQUAL ".")
944 list(APPEND LIT_ARGS --param build_mode=${CMAKE_CFG_INTDIR})
946 if (LLVM_MAIN_SRC_DIR)
947 set (LIT_COMMAND ${PYTHON_EXECUTABLE} ${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py)
949 find_program(LIT_COMMAND llvm-lit)
951 list(APPEND LIT_COMMAND ${LIT_ARGS})
952 foreach(param ${ARG_PARAMS})
953 list(APPEND LIT_COMMAND --param ${param})
955 if (ARG_UNPARSED_ARGUMENTS)
956 add_custom_target(${target}
957 COMMAND ${LIT_COMMAND} ${ARG_UNPARSED_ARGUMENTS}
959 ${cmake_3_2_USES_TERMINAL}
962 add_custom_target(${target}
963 COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.")
964 message(STATUS "${target} does nothing.")
967 add_dependencies(${target} ${ARG_DEPENDS})
970 # Tests should be excluded from "Build Solution".
971 set_target_properties(${target} PROPERTIES EXCLUDE_FROM_DEFAULT_BUILD ON)
974 # A function to add a set of lit test suites to be driven through 'check-*' targets.
975 function(add_lit_testsuite target comment)
976 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
978 # EXCLUDE_FROM_ALL excludes the test ${target} out of check-all.
979 if(NOT EXCLUDE_FROM_ALL)
980 # Register the testsuites, params and depends for the global check rule.
981 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_TESTSUITES ${ARG_UNPARSED_ARGUMENTS})
982 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_PARAMS ${ARG_PARAMS})
983 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_DEPENDS ${ARG_DEPENDS})
984 set_property(GLOBAL APPEND PROPERTY LLVM_LIT_EXTRA_ARGS ${ARG_ARGS})
987 # Produce a specific suffixed check rule.
988 add_lit_target(${target} ${comment}
989 ${ARG_UNPARSED_ARGUMENTS}
991 DEPENDS ${ARG_DEPENDS}
996 function(add_lit_testsuites project directory)
997 if (NOT CMAKE_CONFIGURATION_TYPES)
998 cmake_parse_arguments(ARG "" "" "PARAMS;DEPENDS;ARGS" ${ARGN})
999 file(GLOB_RECURSE litCfg ${directory}/lit*.cfg)
1001 foreach(f ${litCfg})
1002 get_filename_component(dir ${f} DIRECTORY)
1003 set(lit_suites ${lit_suites} ${dir})
1005 list(REMOVE_DUPLICATES lit_suites)
1006 foreach(dir ${lit_suites})
1007 string(REPLACE ${directory} "" name_slash ${dir})
1009 string(REPLACE "/" "-" name_slash ${name_slash})
1010 string(REPLACE "\\" "-" name_dashes ${name_slash})
1011 string(TOLOWER "${project}${name_dashes}" name_var)
1012 add_lit_target("check-${name_var}" "Running lit suite ${dir}"
1014 PARAMS ${ARG_PARAMS}
1015 DEPENDS ${ARG_DEPENDS}